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(: Test: K-SeqExprCast-375                               :)
(: Written by: Frans Englich                             :)
(: Date: 2007-11-22T11:31:21+01:00                       :)
(: Purpose: '+2004-08-01' is an invalid lexical representation, a preceding '+' sign is not allowed for xs:date. :)
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xs:date("+2004-08-01")